Glossary O

Opportunistic disease refers to a disease that occurs when the immune system is depressed which is usually fatal.

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Opportunistic infections is defined as infections caused by organisms that cannot induce disease in people with normal immune systems, but take the "opportunity" to flourish in people with HIV infection.

Deutsch: Chance / Español: Oportunidad / Português: Oportunidade / Français: Opportunité / Italiano: Opportunità /

The term "opportunity" refers to a set of circumstances or a specific moment in time that presents a chance for individuals to engage in certain actions, make choices, or pursue particular goals. Opportunities can encompass various aspects of life, including personal, social, academic, and career-related domains. Psychologists study opportunities and their impact on human behavior, decision-making, development, and well-being. Understanding how individuals perceive and respond to opportunities is essential for comprehending their choices and life trajectories. Here, we will explore the concept of opportunity in psychology, provide examples, and list similar concepts and terms used in psychological research.

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Opportunity structure refers to a path to success. There are two (2) types of opportunity structures legitimate and illegitimate

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Opposition maybe defined as the diagonal movement of the thumb across the palmar surface of the hand to make contact with the fingers.

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Opposition principle refers to Jung's idea that conflict between opposing processes or tendencies is necessary to generate psychic energy.

Deutsch: Oppositionales Trotzverhalten / Español: Trastorno negativista desafiante / Português: Transtorno desafiador de oposição / Français: Trouble oppositionnel avec provocation / Italiano: Disturbo oppositivo provocatorio

Oppositional Defiant Disorder (ODD) refers to a pattern of negativistic, hostile, and defiant behavior. It is a psychological condition typically diagnosed in childhood, characterised by a persistent pattern of hostile, disobedient, and defiant behaviours toward authority figures. Children and adolescents with ODD frequently exhibit anger, irritability, argumentative behaviour, and vindictiveness, which interfere with their daily functioning at home, in school, or in social situations. The disorder is more prevalent in boys during early childhood but tends to equalise between genders in adolescence.

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Opsin refers to the protein part of the visual pigment molecule, to which the light-sensitive retinal molecule is attached.

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